All of the companies that have reached the trillion-dollar level are technology businesses -- except one. Earlier in 2025, Berkshire Hathaway (BRK.A 1.59%) (BRK.B 1.50%), the conglomerate led by Warren Buffett, became the first non-technology company to reach the elusive thirteen-digit valuation level. Berkshire reached an all-time high in late April, and then CEO and legendary investor Warren Buffett announced his intention to step aside at the end of the year. Since that time, Berkshire has dropped by 14% ...